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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

City of Rohnert Park

Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.

MORE ABOUT THIS CONTAMINANT

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND100ND
2016ND70ND
2017ND80ND
2018ND100ND
2019ND80ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 ppb

The legal limit for dinoseb, established in 1992, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2015-09-229590-001-1110ND
2015-09-229590-002-1110ND
2015-09-229590-004-1110ND
2015-09-229590-040-1053ND
2015-09-229590-039-1053ND
2015-09-229590-005-1053ND
2015-09-229590-029-1053ND
2015-09-229590-012-1110ND
2015-12-299590-030-0903ND
2015-12-299590-031-1037ND
2016-09-069590-027-0850ND
2016-09-069590-022-0950ND
2016-09-069590-021-0910ND
2016-09-069590-018-0907ND
2016-09-069590-034-0945ND
2016-09-069590-035-1005ND
2016-09-139590-033-0941ND
2017-07-181610-011-0831ND
2017-07-181610-010-0855ND
2017-07-181610-009-1030ND
2017-07-181610-014-0920ND
2017-07-181610-016-0800ND
2017-07-181610-008-1000ND
2017-07-181610-041-1100ND
2017-08-011610-044-0905ND
2018-08-071644-029-1045ND
2018-08-071644-001-0922ND
2018-08-071644-002-0922ND
2018-08-071644-040-1045ND
2018-08-071644-039-1045ND
2018-08-071644-005-1045ND
2018-09-251644-031-0935ND
2018-09-251644-004-0852ND
2018-09-251644-030-0950ND
2018-11-061644-006-0900ND
2019-03-051644-013-1030ND
2019-09-101610-006-0835ND
2019-09-101610-018-0835ND
2019-09-101610-021-0905ND
2019-09-121610-033-0851ND
2019-09-121610-034-0851ND
2019-09-121610-035-0851ND
2019-09-121610-004-0851ND